Lewis Short
(verb) : sarpo, no
* Perf., sarptum, 3, root sarp-; Gr. ἁρπάζω; in agricult. lang., to cut off, trim, prune, clean: sarpta vinea putata, id est pura facta: unde et virgulae abscisae sarmenta. Sarpere enim antiqui pro purgare ponebant, Fest. p. 322 Müll.
Charlton T. Lewis, Charles Short, A Latin Dictionary